Home / 15,442.77-21,310.46-8,369.04

Finding the Fourth Proportional to 15,442.77, 21,310.46 and 8,369.04

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Solution

The fourth proportional to 15,442.77, 21,310.46 and 8,369.04 is: 11,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.77 : 21,310.46 = 8,369.04 : x
  2. Step 2: Convert to fraction form
    15,442.77/21,310.46 = 8,369.04/x
  3. Step 3: Cross multiply
    15,442.77x = 21,310.46 × 8,369.04
  4. Step 4: Simplify right side
    15,442.77x = 178,348,103.59
  5. Step 5: Solve for x
    x = 178,348,103.59/15,442.77
  6. Step 6: Final answer
    x = 11,548.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.